<template>
	<div class="list" ref="wrapper">
		<div>
			<div class="area">
			<div class="title border-topbottom">当前城市</div>
			<div class="button-list">
				<div class="button-wrapper">
					<div class="button">{{this.$store.state.city}}</div>
				</div>
			</div>
			</div>
			<div class="area">
			<div class="title border-topbottom">热门城市</div>
			<div class="button-list">
				<div class="button-wrapper" v-for="item of hot" :key="item.id"
					@click="handleCityClick(item.name)"
				>
					<div class="button">{{ item.name }}</div>
				</div>
			</div>		
			</div>
			<div class="area" 
				v-for="(item,key) of cities" 
				:key="key"
				:ref="key"
			>
				<div class="title border-topbottom">{{key}}</div>
				<div class="item-list">
					<div class="item border-bottom"
						@click="handleCityClick(innerItem.name)"
						v-for="innerItem of item"
						:key="innerItem.id"
					>{{innerItem.name}}</div>				
				</div>
			</div>
		</div>
		
	</div>
</template>

<script>
import Bscroll from 'better-scroll'
export default {
	name:"CityList",
	mounted () {
		this.scroll = new Bscroll(this.$refs.wrapper)
	},
	props: {
		cities: Object,
		hot: Array,
		letter:String
	},
	watch:{
		letter () {
			const element = this.$refs[this.letter][0];
			this.scroll.scrollToElement(element)
			// console.log(element)
			// console.log(this.letter)
		}
	},
	methods: {
		handleCityClick (city) {
			this.$store.commit('changeCity', city)
			// alert(city)
			this.$router.push('/')
		}
	}
}
</script>

<style lang="stylus" scoped>
  @import '~@/assets/styles/varibles.styl'  
  .border-topbottom
    &:before
      border-color: #ccc
    &:after
      border-color: #ccc
  .border-bottom
    &:before
      border-color: #ccc
  .list
    overflow: hidden
    position: absolute
    top: 1.58rem
    left: 0
    right: 0
    bottom: 0
    .title
      line-height: .54rem
      background: #eee
      padding-left: .2rem
      color: #666
      font-size: .26rem
    .button-list
      overflow: hidden
      padding: .1rem .6rem .1rem .1rem
      .button-wrapper
        float: left
        width: 33.33%
        .button
          margin: .1rem
          padding: .1rem 0
          text-align: center
          border: .02rem solid #ccc
          border-radius: .06rem
    .item-list
      .item
        line-height: .76rem
        padding-left: .2rem
</style>
